What is even more frustrating is that I'm beginning to see Polyamory as a mirror that you hold up to people's fears and insecurities.

This is a powerful insight. Use it toward your freedom -- including your emotional freedom. You need not be bothered by the foolishness and ignorance of fools and ....

Edit (adding):This is why we need an International Polyamory Coming Out Day! We're socially and politically invisible, which means the general public is plain ignorant about us. Their ignorance allows them to paint us in the worst imagined light.